Page text (OCR transcript)
SECTION D
TROUBLE
Speedometer
Display disappears when rheostat is turned with light S/W ON
Only speedometer? → Yes → Replace speedometer
↓ No
Remove meter and connect
sub harness (SST)
↓
①With the ignition S/W at ON position, does voltage between terminals 1 and 16 of sub-harness vary from 0 to 9V when rheostat is turned?
↓ Yes → No
Is speedometer normal with other meters disconnected?
↓ Yes → No
↓
Connect other meters one by one to find faulty one. → Replace bad meter
②With the light S/W turned ON, does voltage between terminals TR and E of rheostat vary when rheostat is operated?
↓ No → Yes
↓
Bad wiring between rheostat and meter
↓
Check rheostat (See page BE-18)
Replace speedometer
[DIAGRAM 1: Sub-harness (SST) connection showing terminals TR①, E②]
[DIAGRAM 2: Rheostat connection showing MIN (Bright), MAX (Fade), ON/OFF positions, with meter display and terminals E, TR]
